Analysis of the influence of tool type, coatings, and machinability on the thermal fields in orthogonal machining of AISI 4140 steels

被引：42

作者：

Arrazola, P. J. ^{[1
]}

Arriola, I. ^{[1
,2
]}

Davies, M. A. ^{[3
]}

机构：

[1] Mondragon Univ, Fac Engn, Mfg Dept, Arrasate Mondragon 20500, Guipuzcoa, Spain

[2] Margune Ctr, Eibar, Spain

[3] Univ N Carolina, Dept Mech Engn & Engn Sci, Ctr Precis Metrol, Charlotte, NC 28223 USA

来源：

CIRP ANNALS-MANUFACTURING TECHNOLOGY | 2009年 / 58卷 / 01期

关键词：

Energy balance; Machinability; Temperature; TEMPERATURE; SIMULATION;

D O I：

10.1016/j.cirp.2009.03.085

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Micro-thermal imaging was used to determine the amount of heat flowing into the tool, chip and workpiece during orthogonal Cutting at speeds Lip to 400 m min(-1). Two AISI 4140 steels with different machinability ratings and three types of tools were compared: (i) uncoated with 0 degrees rake angle, (ii) coated with -6 degrees rake angle and (iii) coated with chip breaker. A control volume approach was used to estimate the energy partition from thermal images and energy outflow was compared to direct measurement of the cutting power. This provides a new physical tool for examining machinability, tool wear and subsurface damage. (C) 2009 CIRP.

引用

页码：85 / 88

页数：4

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